﻿which 
  inhabit 
  Jamaica. 
  87 
  

  

  with 
  a 
  rapidly 
  widening 
  pure 
  white 
  stripe, 
  which 
  unites 
  be- 
  

   hind 
  the 
  lip 
  with 
  a 
  broad 
  transverse 
  white 
  stripe 
  that 
  runs 
  

   through 
  a 
  large 
  triangular 
  black 
  spot 
  ; 
  lip 
  white 
  : 
  without 
  

   stria?. 
  Some 
  pale 
  specimens 
  have 
  a 
  tinge 
  of 
  red 
  along 
  the 
  

   middle. 
  Inhabits 
  Kilmarnock, 
  in 
  the 
  east 
  part 
  of 
  Westmore- 
  

   land. 
  In 
  another 
  part 
  of 
  "Westmoreland 
  is 
  a 
  subvariety, 
  in 
  

   which 
  the 
  form 
  is 
  less 
  robust, 
  the 
  anterior 
  white 
  stripe 
  is 
  larger 
  

   and 
  tinged 
  with 
  yellow, 
  and 
  the 
  transverse 
  white 
  stripe, 
  being 
  

   interrupted 
  by 
  the 
  black 
  spot, 
  appears 
  more 
  like 
  a 
  short 
  spiral 
  

   stripe 
  : 
  the 
  lip 
  is 
  rather 
  less 
  reflected, 
  and 
  the 
  aperture 
  small- 
  

   er 
  and 
  more 
  oblique. 
  

  

  Var. 
  TRICOLOR. 
  Shell 
  rather 
  robust 
  : 
  very 
  dark 
  brown 
  at 
  

   both 
  extremities, 
  with 
  a 
  narrow 
  slowly 
  widening 
  snow 
  white 
  

   line 
  next 
  below 
  the 
  suture 
  ; 
  lip 
  rose 
  red, 
  a 
  little 
  whitish 
  where 
  

   it 
  joins 
  the 
  penult 
  whorl 
  : 
  with 
  excessively 
  minute 
  striae 
  be- 
  

   hind 
  the 
  lip. 
  This 
  appears 
  to 
  be 
  Dr. 
  Pfeiffer's 
  var. 
  «. 
  A 
  sub- 
  

   variety 
  is 
  more 
  slender, 
  paler 
  at 
  the 
  end, 
  and 
  darker 
  in 
  the 
  

   middle, 
  with 
  the 
  aperture 
  less 
  wide. 
  Inhabits 
  Manchester. 
  

   Paler 
  specimens 
  occur 
  near 
  Peace 
  R., 
  with 
  the 
  middle 
  whorls 
  

   of 
  a 
  dingy 
  pearl 
  color. 
  

  

  b. 
  Light 
  colored 
  fasciate 
  varieties, 
  not 
  distinctly 
  striated 
  

   above 
  the 
  middle 
  whorls. 
  In 
  this 
  group 
  pale 
  yellow 
  fades 
  

   into 
  a 
  dingy 
  or 
  pearl 
  white, 
  or 
  is 
  replaced 
  by 
  pearl 
  white 
  in 
  

   fresh 
  shells. 
  

  

  Var. 
  CRASSA. 
  Shell 
  rather 
  small, 
  but 
  robust 
  and 
  thick 
  : 
  

   dark 
  livid 
  brown 
  at 
  both 
  extremities 
  or 
  bluish 
  grey 
  anteriorly 
  ; 
  

   with 
  a 
  thick 
  white 
  lip 
  ; 
  with 
  a 
  narrow 
  white 
  stripe 
  next 
  be- 
  

   low 
  the 
  suture 
  of 
  the 
  last 
  whorl, 
  and 
  a 
  slender 
  white 
  line 
  on 
  

   the 
  anterior 
  keel; 
  otherwise 
  pearl 
  white: 
  with 
  very 
  strong 
  

   striae 
  on 
  the 
  back 
  of 
  the 
  last 
  whorl, 
  which 
  diminish 
  in 
  ascend- 
  

   ing 
  the 
  spire, 
  becoming 
  microscopic 
  on 
  the 
  middle 
  whorls. 
  

   Inhabits 
  Portland. 
  

  

  Yar. 
  uNicrNCTA. 
  Shell 
  of 
  medium 
  size 
  and 
  form 
  : 
  dingy 
  

   pale 
  yellow, 
  whiter 
  and 
  sometimes 
  reddish 
  on 
  the 
  last 
  whorl, 
  

  

  